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Technical Data Sheet
PartsTable / COMPONENT / SR156PPK25
SR156PPK25 ✓ Verified by PartsTable
— · TAPERED BEARING
WHAT YOU NEED TO KNOW
Cup and cone sold separately — confirm both needed Timken series numbers indicate dimensions
Cup and cone NOT sold as set — verify order
PRODUCT OVERVIEW

The BEARING,BALL,ANNULAR is a the manufacturer industrial component. Key specifications include material: STEEL RETAINER, bore_shape: STRAIGHT, bore_diameter: 0.1875 INCHES NOMINAL IN, overall_width: 0.1250 INCHES NOMINAL IN, load_direction: RADIAL, surface_finish: GROUND. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-820-9407, indicating validated use in U.S.

government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
SR156PPK25
NSN: 3110-00-820-9407
FSC: 3110
CAGE: 83086 — NEW HAMPSHIRE BALL BEARINGS INC DIV HITECH DIVISION (USA)
SPECIFICATIONS
materialSTEEL RETAINER
bore_shapeSTRAIGHT
bore_diameter0.1875 INCHES NOMINAL IN
overall_width0.1250 INCHES NOMINAL IN
load_directionRADIAL
surface_finishGROUND
shield_quantity2
style_designatorNON-LOADING GROOVE, NON-SEPARABLE
lubrication_materialOIL
overall_outside_diameter0.3125 INCHES NOMINAL IN
internal_fit-up_designationSTANDARD
retainer_fabrication_methodPRESSED
NSN3110-00-820-9407
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: SR156PPK25 · OEM ⚠ VERIFY BEFORE ORDERING Cup and cone sold separately — verify you are ordering BOTH parts or the correct component. Always replace cup and cone together — mismatched wear = premature failure ✓ BROKER TIP Taper angle determines axial load capacity. Steeper angle = higher axial load rating. Timken series numbers indicate dimensions — cross-reference carefully PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
INTERNAL FIT-UP DESIGNATION: STANDARD
•
BORE SHAPE: STRAIGHT
•
STANDARD TOLERANCE DESIGNATION: ABEC NO.7
•
SURFACE FINISH: GROUND
•
SHIELD QUANTITY: 2
•
LOAD DIRECTION: RADIAL
•
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATION: MIL-L-6085 MIL SPEC SINGLE MATERIAL RESPONSE
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL WIDTH0.1250 INCHES NOMINAL IN
INTERNAL FIT-UP DESIGNATIONSTANDARD
BORE SHAPESTRAIGHT
STANDARD TOLERANCE DESIGNATIONABEC NO.7
SURFACE FINISHGROUND
SHIELD QUANTITY2
LOAD DIRECTIONRADIAL
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATIONMIL-L-6085 MIL SPEC SINGLE MATERIAL RESPONSE
LUBRICATION MATERIALOIL
RETAINER FABRICATION METHODPRESSED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
R3SS5V448C0X011Interchangeable
interchangeable cross-reference
interchangeable
R3SS5VC01MILL6085AInterchangeable
interchangeable cross-reference
interchangeable
MIL-B-81793/2Interchangeable
interchangeable cross-reference
interchangeable
R3SSWX423K5VCA0 O-11Interchangeable
interchangeable cross-reference
interchangeable
R3SSWX33K5VCA00-11Interchangeable
interchangeable cross-reference
interchangeable
R3SSW5VCA00-11Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is SR156PPK25?
SR156PPK25 is a BEARING,BALL,ANNULAR.
What parts can replace SR156PPK25?
There are 17 known substitutes for SR156PPK25: R3SS5V448C0X011, R3SS5VC01MILL6085A, MIL-B-81793/2 and 14 more. Substitute compatibility should be verified for your specific system.
Is SR156PPK25 still available?
SR156PPK25 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026